This piston ring set is designed for small gasoline engines used in lawn mowers and commercial turf equipment to help seal the combustion chamber and restore proper compression. By controlling oil and improving heat transfer between the piston and cylinder, it supports smoother engine operation, reduced oil consumption, and lower exhaust smoke. It’s a practical replacement for top-end engine repairs when performance has declined due to worn piston rings.
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| Brand | Model Number | Description |
|---|---|---|
| Toro | 136-7813 | Engine - 136-7813, Twin Cylinder (2p77f) Engine |
| Toro | 136-7818 | Engine - 136-7818, Twin Cylinder (2p77f) Engine |
| Toro | 139-0601 | Engine - 139-0601, Twin Cylinder (2p77f) Engine |
| Toro | 139-0603 | Engine - 139-0603, Twin Cylinder (2p77f) Engine |
| Toro | 22983 | Lawn Tractor Accessories - Trx-250 Trencher |
| Toro | 74447TE | Lawn Mower - 122cm Titan Hd 1500 Series Riding Mower, 2017 |
| Toro | 74450 | Lawn Tractor - 48in Titan Hd 1500 Series Riding Mower. |
| Toro | 74451 | Lawn Mower - 52in Titan Hd 1500 Series Riding Mower, 2017 |
| Toro | 74451TE | Lawn Mower - 132cm Titan Hd 1500 Series Riding Mower, 2017 |
| Toro | 74452 | Lawn Mower - 60in Titan Hd 1500 Series Riding Mower, 2017 |
| Toro | 74453 | Lawn Tractor - 48in Titan Hd 1500 Series Riding Mower. |
| Toro | 74453TE | Lawn Tractor - 122cm Titan Hd 1500 Series Riding Mower. |
| Toro | 74454 | Lawn Tractor - 52in Titan Hd 1500 Series Riding Mower. |
| Toro | 74454TE | Lawn Tractor - 132cm Titan Hd 1500 Series Riding Mower. |
| Toro | 74465 | Lawn Tractor - 48in Titan Hd 2000 Series Riding Mower. |
| Toro | 74465TE | Lawn Tractor - 122cm Titan Hd 1500 Series Riding Mower. |
| Toro | 74466 | Lawn Tractor - 52in Titan Hd 2000 Series Riding Mower. |
| Toro | 74466TE | Lawn Tractor - 132cm Titan Hd 1500 Series Riding Mower. |
| Toro | 74467 | Lawn Tractor - 60in Titan Hd 2000 Series Riding Mower. |
| Toro | 74490 | Lawn Tractor - 48in Z Master Professional 2000 Series Riding Mower. |
| Toro | 74491 | Lawn Tractor - 52in Z Master Professional 2000 Series Riding Mower. |
| Toro | 74492 | Lawn Tractor - 60in Z Master Professional 2000 Series Riding Mower. |
| Toro | 74493 | Lawn Tractor - Z Master Professional 2000 Series Myride 52in Riding Mower. |
| Toro | 74494 | Lawn Tractor - Z Master Professional 2000 Series Myride 60in Riding Mower. |
| Toro | 74657 | Lawn Mower - Toro Lawn Mower Model 74657 Parts |
| Toro | 74661 | Lawn Mower - Toro Lawn Mower Model 74661 Parts |
| Toro | 74667 | Lawn Mower - Timecutter Zs 4200t Riding Mower |
| Toro | 74675 | Lawn Mower - 74675, Timecutter Sw 4200 Riding Mower, (Sn 400000000-999999999) |
| Toro | 74676 | Lawn Mower - Timecutter Sw 4200 Riding Mower |
| Toro | 74680 | Lawn Mower - 74680, Timecutter Sw 5000 Riding Mower, (Sn 400000000-400219999) |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
